heir

heirheir /eə $ er/ ●○○ noun [countable]1SCLFAMILYthe person who has the legal right to receive the property or title of another person when they dieheir toJohn was the sole heir to a vast estate.heir to the throne (=the person who will become king or queen)2PBthe person who will take over a position or job after you, or who does things or thinks in a similar way to youJonson was his political heir as leader of the Nationalist Party.